52181835608 has 128 divisors (see below), whose sum is σ = 116386657920. Its totient is φ = 21471989760.

The previous prime is 52181835583. The next prime is 52181835617. The reversal of 52181835608 is 80653818125.

It is a happy number.

52181835608 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42183566 + ... + 42184802.

It is an arithmetic number, because the mean of its divisors is an integer number (909270765).

Almost surely, 2^52181835608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52181835608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58193328960).

52181835608 is an abundant number, since it is smaller than the sum of its proper divisors (64204822312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52181835608 is a wasteful number, since it uses less digits than its factorization.

52181835608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597 (or 1593 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 47.

The spelling of 52181835608 in words is "fifty-two billion, one hundred eighty-one million, eight hundred thirty-five thousand, six hundred eight".